package com.guslegend.service.impl;

import com.guslegend.component.SmsComponent;
import com.guslegend.config.SmsConfig;
import com.guslegend.constant.RedisKey;
import com.guslegend.enums.BizCodeEnum;
import com.guslegend.enums.SendCodeEnum;
import com.guslegend.service.NotifyService;
import com.guslegend.utils.CheckUtil;
import com.guslegend.utils.CommonUtils;
import com.guslegend.utils.JsonData;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.apache.kafka.common.errors.InterruptException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.http.ResponseEntity;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;

import java.util.concurrent.TimeUnit;

@Service
@Slf4j
public class NotifyServiceImpl implements NotifyService {

    /**
     * 十分钟有效
     */
    private static final int CODE_EXPIRED=60*1000*10;

    @Autowired
    private SmsComponent smsComponent;
    @Autowired
    private SmsConfig smsConfig;
    @Autowired
    private RestTemplate restTemplate;
    @Autowired
    private StringRedisTemplate redisTemplate;



    @Override
    public JsonData sendCode(SendCodeEnum sendCodeEnum, String to) {

        String cacheKey=String.format(RedisKey.CHECK_CODE_KEY,sendCodeEnum.name(),to);
        String cacheValue=redisTemplate.opsForValue().get(cacheKey);
        //如果不为空,在判断是否是60秒内重复发送 0122_1264623433
        if (StringUtils.isNotBlank(cacheValue)){
            long ttl=Long.parseLong(cacheKey.split("_")[1]);
            //当前时间戳-验证码发送时间戳,如果小于60秒,则不给重复发送
            long leftTime= CommonUtils.getCurrentTimestamp()-ttl;
            if (leftTime<(1000*60)){
                log.info("重复发送短信验证码,时间间隔:{}",leftTime/1000);
                return JsonData.buildResult(BizCodeEnum.CODE_LIMITED);
            }
        }
        String code=CommonUtils.getRandomCode(6);
        //生成拼接好验证码
        String value=code+"_"+CommonUtils.getCurrentTimestamp();
        redisTemplate.opsForValue().set(cacheKey,value,CODE_EXPIRED,TimeUnit.MILLISECONDS);



        if (CheckUtil.isEmail(to)){
            //发送邮箱验证码 TODO

        } else if (CheckUtil.isPhone(to)){
            //发送手机验证码
            smsComponent.send(to, code);
        }

        return null;
    }

    /**
     * 验证码校验逻辑
     * @param sendCodeEnum
     * @param to
     * @param code
     * @return
     */
    @Override
    public boolean checkCode(SendCodeEnum sendCodeEnum, String to,String code) {

        String cacheKey=String.format(RedisKey.CHECK_CODE_KEY,sendCodeEnum.name(),to);
        String cacheValue= redisTemplate.opsForValue().get(cacheKey);
        if (StringUtils.isNotBlank(cacheValue)){
            String cacheCode=cacheValue.split("_")[0];
            if (cacheCode.equalsIgnoreCase(code)){
                //删除验证码
                redisTemplate.delete(code);
                return true;
            }
        }
        return false;
    }
}

